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All results from a given calculation for CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-476.627543
Energy at 298.15K-476.631555
Nuclear repulsion energy273.136488
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3062 2943 16.53      
2 A' 1493 1435 3.23      
3 A' 1450 1394 17.37      
4 A' 1310 1259 151.79      
5 A' 1217 1170 243.21      
6 A' 1149 1105 68.02      
7 A' 856 823 11.03      
8 A' 668 642 27.91      
9 A' 551 529 7.36      
10 A' 410 394 0.57      
11 A' 211 202 2.43      
12 A" 3123 3003 16.61      
13 A" 1324 1273 128.11      
14 A" 1218 1171 68.17      
15 A" 985 947 47.09      
16 A" 533 512 1.76      
17 A" 347 333 1.00      
18 A" 104 100 4.22      

Unscaled Zero Point Vibrational Energy (zpe) 10004.3 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 9618.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-31G(2df,p)
ABC
0.17927 0.09379 0.09245

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.362 0.193 0.000
C2 -1.156 0.234 0.000
F3 0.834 1.445 0.000
F4 0.834 -0.432 1.077
F5 0.834 -0.432 -1.077
F6 -1.642 -1.037 0.000
H7 -1.493 0.768 0.895
H8 -1.493 0.768 -0.895

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51951.33771.33191.33192.35232.13852.1385
C21.51952.33022.35962.35961.36111.09531.0953
F31.33772.33022.16402.16403.50652.58382.5838
F41.33192.35962.16402.15472.76792.62433.2781
F51.33192.35962.16402.15472.76793.27812.6243
F62.35231.36113.50652.76792.76792.02042.0204
H72.13851.09532.58382.62433.27812.02041.7910
H82.13851.09532.58383.27812.62432.02041.7910

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.372 C1 C2 H7 108.657
C1 C2 H8 108.657 C2 C1 F3 109.119
C2 C1 F4 111.520 C2 C1 F5 111.520
F3 C1 F4 108.305 F3 C1 F5 108.305
F4 C1 F5 107.967 F6 C2 H7 110.214
F6 C2 H8 110.214 H7 C2 H8 109.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.287      
2 C -0.199      
3 F -0.090      
4 F -0.085      
5 F -0.085      
6 F -0.138      
7 H 0.156      
8 H 0.156      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.115 1.327 0.000 1.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.082 -2.649 0.000
y -2.649 -32.227 0.000
z 0.000 0.000 -30.673
Traceless
 xyz
x 0.368 -2.649 0.000
y -2.649 -1.349 0.000
z 0.000 0.000 0.981
Polar
3z2-r21.962
x2-y21.145
xy-2.649
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.944 0.018 0.000
y 0.018 3.909 0.000
z 0.000 0.000 3.825


<r2> (average value of r2) Å2
<r2> 131.967
(<r2>)1/2 11.488